Question

Water flows in a river at the rate of u. The ratio of the speeds of water current and a swimmer relative to still water is N. He finds that the time taken to cross the river directly to the opposite bank is same as that taken to swim normal to the stream and then walk to the point directly opposite to the initial point.What is the speed of his walking ?

Answer 1

Answer:

Explanation:

time 1 =time 2

1/v man = 1/v man wrt to water

v man = v man wrt to water

that means of man is u/n